issue template

Author: adumesny

ISSUE_TEMPLATE.md

@@ -1,17 +1,14 @@
 ## Subject of the issue
 Describe your issue here.
-If unsure if library bug, or questions use slack channel instead: https://gridstackjs.slack.com/
+If unsure if lib bug, use slack channel instead: https://join.slack.com/t/gridstackjs/shared_invite/zt-1jobnclsy-FqGGeLX5dFPM_ZQzTunBsw
 
 ## Your environment
-* version of gridstack.js AND if using HTML5 vs Jquery plugin (v3+) - DON'T SAY LATEST as that doesn't mean anything a month/year from now.
+* version of gridstack.js - DON'T SAY LATEST as that doesn't mean anything a month/year from now.
 * which browser/OS
 
 ## Steps to reproduce
-You **MUST** provide a working demo (keep it simple!) you can use 
+You **MUST** provide a working demo - keep it simple and avoid frameworks as that could have issues - you can use 
 https://jsfiddle.net/adumesny/jqhkry7g
 
-## Expected behavior
-Tell us what should happen
-
 ## Actual behavior
-Tell us what happens instead
+Tell us what happens instead of what's expected. If hard to describe, attach a video as well.